ethtool: use phydev variable

In ethtool_get_phy_stats(), the phydev varaible is set to
dev->phydev but dev->phydev is still used.  Replace
dev->phydev uses with phydev.
Signed-off-by: Tom Rix <trix@redhat.com>
Reviewed-by: Andrew Lunn <andrew@lunn.ch>
Signed-off-by: David S. Miller <davem@davemloft.net>

net/ethtool/ioctl.c

@@ -2096,9 +2096,9 @@ static int ethtool_get_phy_stats(struct net_device *dev, void __user *useraddr)
 	if (!phydev && (!ops->get_ethtool_phy_stats || !ops->get_sset_count))
 		return -EOPNOTSUPP;
 
-	if (dev->phydev && !ops->get_ethtool_phy_stats &&
+	if (phydev && !ops->get_ethtool_phy_stats &&
 	    phy_ops && phy_ops->get_sset_count)
-		n_stats = phy_ops->get_sset_count(dev->phydev);
+		n_stats = phy_ops->get_sset_count(phydev);
 	else
 		n_stats = ops->get_sset_count(dev, ETH_SS_PHY_STATS);
 	if (n_stats < 0)
@@ -2117,9 +2117,9 @@ static int ethtool_get_phy_stats(struct net_device *dev, void __user *useraddr)
 		if (!data)
 			return -ENOMEM;
 
-		if (dev->phydev && !ops->get_ethtool_phy_stats &&
+		if (phydev && !ops->get_ethtool_phy_stats &&
 		    phy_ops && phy_ops->get_stats) {
-			ret = phy_ops->get_stats(dev->phydev, &stats, data);
+			ret = phy_ops->get_stats(phydev, &stats, data);
 			if (ret < 0)
 				goto out;
 		} else {